2
Hardware Installation
17
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Pin Assignment
ATX Power
Ground
N. C.
HDD LED Power
HDD
N. C.
Green LED Power
Green
N. C.
PWRBT
Ground
N. C.
SMI
Ground
N. C.
H/W Reset
Ground
N. C.
Speaker Data
N. C.
Ground
Speaker Power
N. C.
LED Power
N. C.
Ground
Keylock
Ground
Use pins 24 to 26
for the Power LED.
SB-LED
(ATX 5VSB Standby LED)
HD-LED
(Primary/Secondary IDE LED)
G-LED
(Green LED)
ATX-SW
(ATX power switch)
G-SW
(Green switch)
RESET
(Reset switch)
SPEAKER
(Speaker connector)
KEYLOCK
(Keylock and Power LED
connector)
Important:
ATX-SW (ATX Power Switch) - Depending on the setting in the BIOS
setup, this switch is a dual function power button that will allow
your system to enter the Soft-Off or Suspend mode. Refer to section
3.7 (chapter 3) for more information.
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